Advertisements
Advertisements
प्रश्न
Give one example of a chemical reaction.
उत्तर
Burning of magnesium ribbon in air to give white powder of magnesium oxide is an example of chemical reaction.
APPEARS IN
संबंधित प्रश्न
Write the balanced chemical equation for the following reaction.
\[\ce{Zinc + Silver nitrate -> Zinc nitrate + Silver}\]
Balance the gievn equation:
NaOH + H2SO4 
Na2SO4 + H2O
When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
(a) What do you think substance X is likely to be?
(b) Name the substance which the yellow solid consists of.
(c) Which characteristic of chemical reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactant and products involved in the chemical equation.
Write down what you understood from the following chemical reaction.
AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)
Write the chemical equation for the following word equation and balance them.
Carbon + Oxygen → Carbon dioxide
Balance the following equation:
Pb3O4 → PbO + O2
Balance the following equation:
PbS + O2 → PbO + SO2
Write the balanced chemical equation of the following reaction.
ammonia + oxygen → nitric oxide + water
Balance the following simple equation:
Fe + Cl2 → FeCl3
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
C2H5OH + 3O2 → 2CO2 + 2H2O
